Home / 448,434,865.40-672,652,298.10-413,997,488.60

Finding the Fourth Proportional to 448,434,865.40, 672,652,298.10 and 413,997,488.60

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Solution

The fourth proportional to 448,434,865.40, 672,652,298.10 and 413,997,488.60 is: 620,996,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,434,865.40 : 672,652,298.10 = 413,997,488.60 : x
  2. Step 2: Convert to fraction form
    448,434,865.40/672,652,298.10 = 413,997,488.60/x
  3. Step 3: Cross multiply
    448,434,865.40x = 672,652,298.10 × 413,997,488.60
  4. Step 4: Simplify right side
    448,434,865.40x = 278,476,362,114,418,592
  5. Step 5: Solve for x
    x = 278,476,362,114,418,592/448,434,865.40
  6. Step 6: Final answer
    x = 620,996,232.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.